Gas-burner.



inca descent, Upright.

Patented Apr. I5, 1902.

' H. ELDRIDGE.

GAS BURNER.

(Application filed Aug. 31, 1901.)

1N0 Model.)

INVENTOR.

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' TES UNITED.

PATENT OFFICE.

GAS-BURNER.

SEECIEIOATION forming part of Letters Patent No. 697,461, dated April 15, 1902. Application filed August 31, 1901. Serial No. 74,018. (No model.)

'To all whom, it Tit/Ly concern: I

' Be it known that I, HILLIARY ELDRIDGE, a citizen of the United States, residing at Memphis, Shelby county, State of Tennessee, have invented certain new and useful Improvements in Gas-Burners, ofwhich the following isa specification.

My invention relates to certain new and useful improvements in gas-burners for use with Welsbaeh or other incandescent mantles, and is adapted for use especially with v ordinary coal-gases, and more especially for which is entirely open.

the fuel grades of gases, which give a high amount of heat with a minimum of light.

The objects of myinvention are to make a burner which will thoroughly mix the gas and air, and-thereby secure thefull benefit of the heat value of the gas, and'which will concentrate the flame upon a mantle and heatit to incandescence.

With these objects in view my invention consists in the novel construction and arrangement of parts hereinafter more fully set forth in the drawing, specification, and claims. a

The drawing shows a sectional elevation of my improved burner,takcn 4 the center line.

Referring to the drawing, in which the parts areindicated by numerals of reference,

1 is a thimble or sleeve for attaching the burner to a gas-pipe. This sleeve has a peak .2'. at its upper end, which'is-pierced by a perforation 3 to permit the passage of the gas and which extending upward conveys the gas past the air-holes 4 in the conical air-inlet tube 5.. This conical tube 5, which is fastened to and supported by the' sleeve 1, contracts from the said sleeve to its point of attachment with an enlarged cylindrical mixing-chamber 6 and is concentrically located around the gas-inlet perforation 7 is a gauze or wire netting. The burner is completed by a cap 8, which fits over the mixing-chamber 6 and which has a conical discharge-nozzle 8 extending upward therefrom and converging toward its upper end 9,

10 is a mantle surrounding the upper end of the nozzle S and supported, it so desired, by any usual form of man tie-rod. I prefer, however, to make use of a specific form-of support, consisting of a chimney 11, supported by the chimney-gallery 12. This chimney has oppositely-disposed crimps 13 at its up-- cap 1 and into the conical air-inlet tube drawing air with it through the air-holes 4. By reason of the contraction in the tube these are commingled, and'the speed of movement is increased. They then rush into the enlarged mixing-chamber (3, where the sudden enlargement checks their speed and thoroughly mixes them. From this chamber they pass into the conical-shaped nozzle 8 and are discharged in a comparatively small stream and burn within the mantle 10. I am thus by the double use of the conical tubes (the air-inlet tube 5 and the nozzle 8) and the enlarged mixing-chamber 0 enabled to secure complete combustion of the gas, and that in a concentrated space just above the end of the nozzle 8*. I can thus heat a mantle to incandescence and secure the entire heat equivalent of the gas in light with a very simple I form of burner. 1

Having now fully described my invention, What I claim, and desire to secure by Letters Patent in the United States, is-

1. In agas-burner, the combination with an incandescent mantle and a suitable support therefor, of a contracted gas-inlet, a conicalshaped air-inlet tube above said gas-inlet, perforations around the bottom of said airinlet, an enlarged mixing-chamber fixed to the upper end of said air-inlet tube and an upwardly-convergi ng conical nozzle for said mixing-chamber, substantially as shown and described.

2. In a gas-burner, the combination with an incandescent mantle and a suitable support therefor, of a contracted gasinlet, a conicalshaped air-inlet tube concentrically located above said gas-inlet, perforations around the bottom of said air-inlet tube, an enlarged miX- ing-chambcr fixed to the upper end of said conical nozzle for said mixing-chamber, substantially as shown and described.

In a gas-burner, the combination'with an incandescent mantle and a suitable support therefor, of a contracted gas-inlet, a conicalshaped air-inlet tube above said gas-inlet, perforations around the bottom of said airinlet tube, an enlarged mixing-chamber fixed to the upper end of said air-inlet tube, agauze screen over the upper end of said chamber, and an upwardly-converging conical nozzle for said mixing-chamber, substantially as shown and described.

4. In a gas-burner, the combination with an incandescent mantle and a suitable support therefor, of a contracted gas-inlet, a conicalshaped air-inlet tube concentrically located above said gas-inlet, perforations around the bottom of said air-inlet tube, an enlarged mixing-chamber fixed to the upper end of said air-inlet tube, a gauze screen over the upper end of said chamber, and an upwardly-converging conical nozzle for said mixing-chamber, substantially asshowo and described.

, 5. In a gas-burner, the combination with an incandescent mantle and a suitable support therefor, of a contracted gas-inlet, an upwardly-converging conical -shaped air-inlet tube above said gas-inlet, perforations around the bottom of said air-inlet, an enlarged mixing-chamber fixed to the upper end of said air-inlet tube and an upwardly-converging conical nozzle for said mixing-chamber, substantially as shown and described.

6. In a gas-burner, the comb cation with an incandescent mantle and a'sui able support therefor, of a contracted gas inlet an upwardly-converging conicalshaped air-inlet tube concentrically located above said gasinlet, perforations around the bottom of said air-inlet tube, an enlarged mixing-chamber fixed to the upper end of .said airinlet tube and an upwardly-converging conical nozzle for said mixing-chamber, substantially as shown and .described.

7. In a gas-burner, the combination with an incandescent mantle and a suitable support therefor, of a contracted gas inlet an upwardly-converging conical-shaped air-inlet tube above said gas-inlet, perforations around the bottom of said air-inlet tube, an enlarged mixing-chamber fixed to the upper end of said air-inlet tube, a gauze screen over the upper end of said chamber, and an upwardlyconverging conical nozzle for said mixingchamber, substantially as shown and described.

8. In a gas-burner, the combination with an incandescent mantle and a suitable support therefor, of a contracted gas -inlet an upwardly-converging conical-shaped air-inlet tube concentrically located above said gasinlet, perforations around the bottom of said air-inlet tube, an enlarged mixing-chamber fixed to the upper end of said air-inlet tube, a gauze screen over the upper end of said chamber and an upwardly-converging conical cap for said mixing-chamber, substantially as shown and described.

9.- An improved Bunsen burner, for producing a self-burning mixture of air and gas,eomposed of an upwardly-converging hollow airinlet cone into which the gas and air are admitted, a suddenly-enlarging mixing-chamber fastened to the top of said cone and an upwardly-converging conical nozzle, substantially as described.

10. An improved Bunsen burner, for producing a'self-burning mixture of gas and air, composed of an upwardly-converging hollow air-inlet cone into which the air and gas are admitted a suddenly-enlarged mixing-chamber carried by said air-inlet cone to check the flow of gas and air and cause their thorough admixture, and an upwardly-converging conical nozzle, to concentrate the fian1e,substantially as shown and described.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

HILLIARY ELDRIDGE.

W i tncsses:

.T. H. WEATHERFORD, W. M. KYLE. 

